Hilti DX 76-PTR Manual De Instrucciones página 38

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Fault
The tool remains compressed
(doesn't extend when pressure
is released).
The tool can't be fired.
No fastener is driven.
The fastener guide can't be
screwed on to the tool fully.
The piston can't be fitted.
The piston guide can't be fitted.
Stiff cycling action.
Printed: 17.04.2014 | Doc-Nr: PUB / 5069847 / 000 / 03
Possible cause
The piston is sticking in the piston
brake.
The tool needs to be cleaned.
The cartridge strip has jammed, the
tool has overheated.
The tool wasn't cycled correctly, the
cycling grip is not in the starting posi-
tion.
The trigger is pulled before the tool
is pressed fully against the working
surface.
Fastener transport malfunctions
The magazine or fastener guide is not
screwed on far enough.
The tool is damaged.
The tool wasn't cycled correctly, the
cycling grip is not in the starting posi-
tion.
No fasteners in the tool.
The magazine fastener transport
mechanism is faulty.
No piston in the tool.
The piston is broken.
The piston doesn't return to its start-
ing position.
The fastener guide needs to be
cleaned.
Fasteners are jammed in the fastener
guide.
The piston guide needs to be cleaned
at the end of the threaded section.
The tool, especially the piston guide,
needs to be cleaned.
Pins are visible in the piston guide.
The lever is in the closed position.
The piston guide is incorrectly posi-
tioned.
The tool needs to be cleaned.
Remedy
Change the piston and piston brake.
See section: 7.4.1 Disassembly 9
See section: 7.4.2 Assembly 10
See section: 8.2.2 Cleaning the piston
guide 9 19 20 21 22
Please refer to the fault: "Cartridge
strip can't be removed". Do not ex-
ceed the maximum recommended
fastener driving rate.
Cycle the tool completely and return
the cycling grip to the starting posi-
tion.
Press the tool fully against the work-
ing surface and then pull the trigger.
See section: 7.2.1 Loading fastener
strips in the magazine 2
See section: 7.3.2 Removing fastener
strips from the tool 8
Screw the magazine farther onto the
tool.
Contact Hilti.
Cycle the tool completely and return
the cycling grip to the starting posi-
tion.
Load fastener(s) into the tool.
Contact Hilti.
Fit the piston.
Change the piston and piston brake.
Contact Hilti.
Use the brushes provided to clean the
fastener guide and associated parts.
Lubricate with Hilti spray.
Remove the jammed fasteners. Re-
move magazine strip plastic scraps
from the tool magazine. Avoid shear
breakage (see above). Avoid missing
the beam (driving the fastener into
unsupported sheet metal); mark the
position of the beams accurately if
necessary.
Clean and lubricate the thread.
Clean the fastener guide and the tool
and refit the piston.
Pull the pins forward until they can
engage.
See section: 8.2.2 Cleaning the piston
guide 9 19 20 21 22
See section: 8.2.2 Cleaning the piston
guide 9 19 20 21 22
Clean the tool.
See section: 8.2.2 Cleaning the piston
guide 9 19 20 21 22
en
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